package com.heima.behavior.service.impl;

import com.heima.behavior.service.ApArticleBehaviorService;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.common.exception.CustException;
import com.heima.common.user.UserRelationConstants;
import com.heima.model.behavior.dtos.ArticleBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApCollection;
import com.heima.model.behavior.pojos.ApLikesBehavior;
import com.heima.model.behavior.pojos.ApUnlikesBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Service;

import java.util.HashMap;
import java.util.Map;

@Service
public class ApArticleBehaviorServiceImpl implements ApArticleBehaviorService {
    @Autowired
    MongoTemplate mongoTemplate;
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;
    @Autowired
    StringRedisTemplate redisTemplate;
    @Override
    public ResponseResult loadArticleBehavior(ArticleBehaviorDTO dto) {
//        1. 判断用户是否登录
        if(dto==null){
            CustException.cust(AppHttpCodeEnum.DATA_NOT_EXIST);
        }
        ApUser user = AppThreadLocalUtils.getUser();
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(),dto.getEquipmentId());
        Query query = Query.query(Criteria
                .where("entryId").is(apBehaviorEntry.getId())
                .and("articleId").is(dto.getArticleId()));
        Map map = new HashMap();
//        2. 未登录 直接将 4种行为 均返回false
        if(user==null){
            map.put("isfollow",false);
            map.put("islike",false);
            map.put("isunlike",false);
            map.put("iscollection",false);
            return ResponseResult.okResult(map);
        }else {
            //        3. 如果登录
            //        4. 查询行为实体


            ApLikesBehavior apLikesBehavior = mongoTemplate.findOne(query, ApLikesBehavior.class);
//            5. 根据行为实体 文章ID查询 是否点赞
            if(apLikesBehavior==null){
                map.put("islike",false);
            }else {
                map.put("islike",true);
            }
            //        6. 根据行为实体 文章ID查询 是否不喜欢
            ApUnlikesBehavior apUnlikesBehavior = mongoTemplate.findOne(query, ApUnlikesBehavior.class);
            if(apUnlikesBehavior==null){
                map.put("isunlike",false);
            }else {
                map.put("isunlike",true);
            }
            //  7. 根据行为实体 文章ID查询 是否收藏
            ApCollection apCollection = mongoTemplate.findOne(query, ApCollection.class);
            if(apCollection==null){
                map.put("iscollection",false);
            }else {
                map.put("iscollection",true);
            }
            //        8. 更具登录用户id 去redis中查询是否关注该作者
            Double score = redisTemplate.opsForZSet()
                    .score(UserRelationConstants.FOLLOW_LIST + user.getId(), String.valueOf(dto.getAuthorApUserId()));
            if(score!=null){
                map.put("isfollow",true);
            }else {
                map.put("isfollow",false);
            }
            //        9. 封装结果 返回
            return ResponseResult.okResult(map);
        }
    }
}
